43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
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// Example show-image is a very simple example to show how to use the
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// xgraphics package to show an image in a window.
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package main
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import (
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"bytes"
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"image"
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_ "image/png"
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"log"
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"github.com/jezek/xgbutil"
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"github.com/jezek/xgbutil/gopher"
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"github.com/jezek/xgbutil/xevent"
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"github.com/jezek/xgbutil/xgraphics"
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)
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func main() {
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X, err := xgbutil.NewConn()
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if err != nil {
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log.Fatal(err)
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}
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// Read an example gopher image into a regular png image.
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img, _, err := image.Decode(bytes.NewBuffer(gopher.GopherPng()))
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if err != nil {
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log.Fatal(err)
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}
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// Now convert it into an X image.
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ximg := xgraphics.NewConvert(X, img)
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// Now show it in a new window.
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// We set the window title and tell the program to quit gracefully when
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// the window is closed.
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// There is also a convenience method, XShow, that requires no parameters.
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ximg.XShowExtra("The Go Gopher!", true)
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// If we don't block, the program will end and the window will disappear.
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// We could use a 'select{}' here, but xevent.Main will emit errors if
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// something went wrong, so use that instead.
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xevent.Main(X)
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}
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